LEGO DUPLO Town 10428 “Big Interactive Community Train” is a large educational set for children aged 3+ featuring an interactive train that reacts to bricks with lights and sounds. Kids can build their own routes, fuel the train, wash carriages, load passengers and solve fun tasks at the station. Includes 4 figures, 5 interactive bricks, a push-to-start train, station and many building pieces for creativity. The free LEGO DUPLO “Interactive Trains” app lets kids record their own sounds and control the train from a smartphone/tablet. Perfect gift for developing imagination, fine motor skills, logic and cause-and-effect understanding.